Diaspore and Forsterite Physical Properties

Diaspore

Forsterite

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Physical Properties

Tenacity

Very brittle

Solubility

insoluble

Durability

Specific Gravity

3.30-3.403.23-3.26

1 7.18

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Fracture

Conchoidal

Cleavage

{010} perfect, {110} distinct, {100} in traces

Perfect on {010} imperfect on {100}

Mohs Hardness

6.5-76.5-7

2 10

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Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Diaspore and Forsterite Chemical Formula

While comparing Diaspore and Forsterite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Diaspore and Forsterite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Diaspore and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.